<template>
  <el-container class="home-container">
    <!-- 头部区域 -->
    <el-header>
      <div>
        <img src="../assets/heima.png" />
        <span>电商后台管理系统</span>
      </div>
      <el-button type="info" @click="logout">退出</el-button>
    </el-header>
    <el-container>
      <!-- 侧边栏 -->
      <el-aside :width="isCollapse ? '64px' : '200px'">
         <div class="toggle-button" @click="isCollapse = !isCollapse">|||</div>
         <!-- 侧边栏菜单区域 -->
         <el-menu :default-active="activePath" background-color="#333744" text-color="#fff" active-text-color="#409EFF" unique-opened :collapse="isCollapse" :collapse-transition="false" router>
           <!-- 一级菜单 -->
           <el-submenu :index="item.id + ''" v-for="item in menulist" :key="item.id">
             <!-- 一级菜单的模板区域 -->
             <template slot="title">
               <!-- 图标 -->
               <i :class="iconsObj[item.id]"></i>
               <!-- 文本 -->
               <span>{{item.authName}}</span>
             </template>
             <!-- 二级菜单区域 -->
             <el-menu-item @click="saveNavState('/' + subItem.path)" :index="'/' + subItem.path" v-for="subItem in item.children" :key="subItem.id">
               <template slot="title">
                 <!-- 图标 -->
                 <i class="el-icon-menu"></i>
                 <!-- 文本 -->
                 <span>{{subItem.authName}}</span>
               </template>
             </el-menu-item>
           </el-submenu>
         </el-menu>
       </el-aside>
      <!-- 主体区域 -->
      <el-main>
         <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>
<script>
export default {
    created(){
        this.getMenuList()
    },
    data(){
       return {
            menulist: [],
            iconsObj: { // 设置icon数据
            '125': 'iconfont icon-user',
            '103': 'iconfont icon-tijikongjian',
            '101': 'iconfont icon-shangpin',
            '102': 'iconfont icon-danju',
            '145': 'iconfont icon-baobiao'
            },
            // 是否折叠
            isCollapse: false,
            activePath: window.sessionStorage.getItem('active')
       }
    },
  methods: {
    logout() {
      //window.sessionStorage.clear()
      window.sessionStorage.removeItem('token')
      this.$router.push('/login')
    },
    async getMenuList(){
       const {data:res} = await this.$http.get('menus')
       //console.log(data);
       if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
       this.menulist = res.data
         //console.log(res, 1111)
       
    },
    saveNavState(activepath){
       window.sessionStorage.setItem('active',activepath);
       this.activePath = activepath;
    }
  }

}
</script>
<style scoped lang="less">
.home-container {
  height: 100%;
}
.el-header {
  background: #373d41;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: #fff;
  font-size: 20px;
  > div {
    display: flex;
    align-items: center;
  }
  span {
    margin-left: 15px;
  }
}
.el-aside {
  background: #373d41;
}
.el-main {
  background: #f1f3f4;
}
.toggle-button {
   background-color: #4a5064;
   font-size: 10px;
   line-height: 24px;
   color: #fff;
   text-align: center;
   letter-spacing: 0.2em;
   cursor: pointer;
 }
</style>